package com.xinxin.intelligenceexam.utils;

import java.text.DecimalFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 日期格式化工具类
 * BasicUser: Tianxin
 * Date: 2016-04-19
 * Time: 22:59
 */
public class DateFormatUtil {
    private static SimpleDateFormat second = new SimpleDateFormat(
            "yy-MM-dd hh:mm:ss");

    private static SimpleDateFormat day = new SimpleDateFormat("yyyy-MM-dd");
    private static SimpleDateFormat detailDay = new SimpleDateFormat("yyyy年MM月dd日");
    private static SimpleDateFormat fileName = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
    private static SimpleDateFormat tempTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    private static SimpleDateFormat excelDate = new SimpleDateFormat("yyyy/MM/dd");

    /**
     * 格式化excel中的时间
     * @param date
     * @return
     */
    public static String formatDateForExcelDate(Date date) {
        return excelDate.format(date);
    }

    /**
     * 将日期格式化作为文件名
     * @param date
     * @return
     */
    public static String formatDateForFileName(Date date) {
        return fileName.format(date);
    }

    /**
     * 格式化日期(精确到秒)
     *
     * @param date
     * @return
     */
    public static String formatDateSecond(Date date) {
        return second.format(date);
    }

    /**
     * 格式化日期(精确到秒)
     *
     * @param date
     * @return
     */
    public static String tempDateSecond(Date date) {
        return tempTime.format(date);
    }

    public static Date tempDateSecond(String str) {
        try {
            return tempTime.parse(str);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return new Date();
    }
    /**
     * 格式化日期(精确到天)
     *
     * @param date
     * @return
     */
    public static String formatDateDay(Date date) {
        return day.format(date);
    }

    /**
     * 格式化日期(精确到天)
     *
     * @param date
     * @return
     */
    public static String formatDateDetailDay(Date date) {
        return detailDay.format(date);
    }

    /**
     * 将double类型的数字保留两位小数（四舍五入）
     *
     * @param number
     * @return
     */
    public static String formatNumber(double number) {
        DecimalFormat df = new DecimalFormat();
        df.applyPattern("#0.00");
        return df.format(number);
    }

    /**
     * 将字符串转换成日期
     *
     * @param date
     * @return
     * @throws Exception
     */
    public static Date formateDate(String date) throws Exception {
        return day.parse(date);
    }

    /**
     * 将字符日期转换成Date
     * @param date
     * @return
     * @throws Exception
     */
    public static Date parseStringToDate(String date) throws Exception {
        return day.parse(date);
    }

    public static String formatDoubleNumber(double number) {
        DecimalFormat df = new DecimalFormat("#");
        return df.format(number);
    }
}
